Home / 48,495.04-72,715.12-18,878.81

Finding the Fourth Proportional to 48,495.04, 72,715.12 and 18,878.81

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Solution

The fourth proportional to 48,495.04, 72,715.12 and 18,878.81 is: 28,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,495.04 : 72,715.12 = 18,878.81 : x
  2. Step 2: Convert to fraction form
    48,495.04/72,715.12 = 18,878.81/x
  3. Step 3: Cross multiply
    48,495.04x = 72,715.12 × 18,878.81
  4. Step 4: Simplify right side
    48,495.04x = 1,372,774,523.83
  5. Step 5: Solve for x
    x = 1,372,774,523.83/48,495.04
  6. Step 6: Final answer
    x = 28,307.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.